
/*
 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 *版权所有2002-2018原作者。
 *
 *根据Apache许可证2.0版（“许可证”）获得许可；
 *除非符合许可证，否则不得使用此文件。
 *您可以在以下地址获取许可证副本：
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 *除非适用法律要求或书面同意，软件
 *根据许可证分发的内容是按“原样”分发的，
 *无任何明示或暗示的保证或条件。
 *有关管理权限和
 *许可证下的限制。
 */

package org.springframework.beans.factory.parsing;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.lang.Nullable;

/**
 * Simple {@link ProblemReporter} implementation that exhibits fail-fast
 * behavior when errors are encountered.
 *
 * <p>The first error encountered results in a {@link BeanDefinitionParsingException}
 * being thrown.
 *
 * <p>Warnings are written to
 * {@link #setLogger(org.apache.commons.logging.Log) the log} for this class.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @author Rick Evans
 * @since 2.0
 */
/**
 *简单的｛@link ProblemReporter｝实现，表现出快速故障
 *遇到错误时的行为。
 *
 *＜p＞遇到的第一个错误导致｛@link BeanDefinitionParsingException｝
 *被抛出。
 *
 *＜p＞警告被写入
 *｛@link#setLogger（org.apache.commons.loging.Log）该类的日志｝。
 *
 *@作者Rob Harrop
 *@作者Juergen Hoeller
 *@作者Rick Evans
 *@自2.0起
 */
public class FailFastProblemReporter implements ProblemReporter {

	private Log logger = LogFactory.getLog(getClass());


	/**
	 * Set the {@link Log logger} that is to be used to report warnings.
	 * <p>If set to {@code null} then a default {@link Log logger} set to
	 * the name of the instance class will be used.
	 * @param logger the {@link Log logger} that is to be used to report warnings
	 */
	/**
	 *设置用于报告警告的｛@link Log logger｝。
	 *＜p＞如果设置为｛@code null｝，则默认的｛@link Log logger｝设置为
	 *将使用实例类的名称。
	 *@param logger用于报告警告的｛@link Log logger｝
	 */
	public void setLogger(@Nullable Log logger) {
		this.logger = (logger != null ? logger : LogFactory.getLog(getClass()));
	}


	/**
	 * Throws a {@link BeanDefinitionParsingException} detailing the error
	 * that has occurred.
	 * @param problem the source of the error
	 */
	/**
	 *引发｛@link BeanDefinitionParsingException｝，详细说明错误
	 *已经发生了。
	 *@param problem错误的来源
	 */
	@Override
	public void fatal(Problem problem) {
		throw new BeanDefinitionParsingException(problem);
	}

	/**
	 * Throws a {@link BeanDefinitionParsingException} detailing the error
	 * that has occurred.
	 * @param problem the source of the error
	 */
	/**
	 *引发｛@link BeanDefinitionParsingException｝，详细说明错误
	 *已经发生了。
	 *@param problem错误的来源
	 */
	@Override
	public void error(Problem problem) {
		throw new BeanDefinitionParsingException(problem);
	}

	/**
	 * Writes the supplied {@link Problem} to the {@link Log} at {@code WARN} level.
	 * @param problem the source of the warning
	 */
	/**
	 *将提供的｛@link Problem｝写入｛@code WARN｝级别的｛@link Log｝。
	 *@param problem警告的来源
	 */
	@Override
	public void warning(Problem problem) {
		logger.warn(problem, problem.getRootCause());
	}

}
